Variable magnification copy machine

Photocopying – Projection printing and copying cameras – Focus or magnification control

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

355 15, G03G 1500

Patent

active

047469579

ABSTRACT:
In a variable magnification copy machine in which a scanning velocity of a scanning device can be varied according to a designated magnification, and either a two revolution process or a three revolution process is utilized, there is provided a device for selecting the two revolution process when the equal magnification mode is selected and for switching from the two revolution process to the three revolution process when the enlargement mode is chosen. Even further, there are respective driving clutches corresponding to each of reduction, equal magnification and enlargement modes in which the copying speed is not slowed down in the enlargement mode by switching clutches upon returning the platen to a home position.

REFERENCES:
patent: 4105326 (1978-08-01), Mochimaru
patent: 4299475 (1981-11-01), Nagahara
patent: 4340297 (1982-07-01), Tamura et al.
patent: 4368976 (1983-01-01), Shogren
patent: 4384784 (1983-05-01), Mayer
patent: 4436416 (1984-03-01), Negoro et al.
patent: 4494866 (1985-01-01), Rattin et al.
patent: 4568171 (1986-02-01), Ikenoue
patent: 4589760 (1986-05-01), Iimori
patent: 4607943 (1986-08-01), Yoshioka
patent: 4655581 (1987-04-01), Yamada

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Variable magnification copy machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable magnification copy machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable magnification copy machine will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1061371

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.